2 years ago

Select the correct answer. What are the roots of this quadratic equation? 3x^2 + 10 = 4x

Mathematics

1 answer:

Nuetrik [128]2 years ago

8 0

D is the right answer

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Anna007 [38]

Answer:

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Step-by-step explanation:

Supplementary angles add to 180 degrees

x+167 = 180

Subtract 167 from each side

x+167-167= 180-167

x = 13

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2 years ago

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IgorC [24]

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3 years ago

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3 years ago

Solve for x<br> A) 42<br> B) 40<br> C) 45<br> D) 38

alexgriva [62]

Answer:

x = 40

Step-by-step explanation:

Using similarity theorem, we have the following:

$\frac{24}{24 - 15} = \frac{x}{x - 25}$

Solve for x

$\frac{24}{9} = \frac{x}{x - 25}$

Cross multiply

$24(x - 25) = x(9)$

$24x - 600 = 9x$

Subtract 24x from each side

$- 600 = 9x - 24x$

$- 600 = -15x$

Divide both sides by -15

40 = x

x = 40

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2 years ago